LUMEXA IMAGING HOLDINGS INC (LMRI) Institutional Ownership Changes & 13F Activity

LUMEXA IMAGING HOLDINGS INC (LMRI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Alliancebernstein L.P., Janus Henderson Group Plc, Arrowmark Colorado Holdings Llc, Healthcare Of Ontario Pension Plan Trust Fund, and Millennium Management Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Alliancebernstein L.P.Buy+3,238,479—3,238,479$59.91MQ4 2025Feb 17, 2026
Janus Henderson Group PlcBuy+1,992,453—1,992,453$36.86MQ4 2025Feb 17, 2026
Arrowmark Colorado Holdings LlcBuy+1,500,000—1,500,000$27.75MQ4 2025Feb 17, 2026
Millennium Management LlcBuy+1,290,664—1,290,664$23.88MQ4 2025Feb 17, 2026
Balyasny Asset Management L.P.Buy+1,134,572—1,134,572$20.99MQ4 2025Feb 17, 2026
Adage Capital Partners Gp, L.L.C.Buy+1,046,788—1,046,788$19.37MQ4 2025Feb 17, 2026
Citadel Advisors LlcBuy+850,000—850,000$15.72MQ4 2025Feb 17, 2026
Fmr LlcBuy+681,700—681,700$12.61MQ4 2025Feb 17, 2026
Woodline Partners LpBuy+681,163—681,163$12.60MQ4 2025Feb 17, 2026
Rtw Investments, LpBuy+650,000—650,000$12.03MQ4 2025Feb 17, 2026
Zimmer Partners, LpBuy+610,000—610,000$11.29MQ4 2025Feb 17, 2026
D. E. Shaw & Co., Inc.Buy+200,000—200,000$3.70MQ4 2025Feb 17, 2026
Longaeva Partners L.P.Buy+200,000—200,000$3.70MQ4 2025Feb 17, 2026
Fortress Investment Group LlcBuy+152,573—152,573$2.82MQ4 2025Feb 17, 2026
Readystate Asset Management LpBuy+140,000—140,000$2.59MQ4 2025Feb 17, 2026
Ghisallo Capital Management LlcBuy+125,000—125,000$2.31MQ4 2025Feb 17, 2026
Hbk Investments L PBuy+120,000—120,000$2.22MQ4 2025Feb 17, 2026
Ameriprise Financial IncBuy+117,698—117,698$2.18MQ4 2025Feb 17, 2026
Point72 Asset Management, L.P.Buy+98,151—98,151$1.82MQ4 2025Feb 17, 2026
Element Capital Management LlcBuy+87,352—87,352$1.62MQ4 2025Feb 17, 2026
T. Rowe Price Investment Management, Inc.Buy+64,215—64,215$1.19MQ4 2025Feb 17, 2026
Burkehill Global Management, LpBuy+50,000—50,000$925.00KQ4 2025Feb 17, 2026
Two Sigma Investments, LpBuy+13,500—13,500$249.75KQ4 2025Feb 17, 2026
Brevan Howard Capital Management LpBuy+11,340—11,340$209.79KQ4 2025Feb 17, 2026
Aster Capital Management (Difc) LtdBuy+999—999$18.48KQ4 2025Feb 17, 2026
Osaic Holdings, Inc.Buy+215—215$3.98KQ4 2025Feb 17, 2026
Bank Of America CorpBuy+6—6$111.00Q4 2025Feb 17, 2026
Healthcare Of Ontario Pension Plan Trust FundBuy+1,500,000—1,500,000$27.75MQ4 2025Feb 13, 2026
Alyeska Investment Group, L.P.Buy+334,771—334,771$6.19MQ4 2025Feb 13, 2026
Marshall Wace, LlpBuy+171,633—171,633$3.18MQ4 2025Feb 13, 2026
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Frequently asked questions about LMRI activity

  • Which institutional owners are buying LMRI?

    Institutional owners buying LMRI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in LMRI activity?

    "Buy" means an investor increased their reported position in LMRI compared to the prior reporting period. This reflects growing exposure to LUMEXA IMAGING HOLDINGS INC (LMRI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in LMRI increasing?

    Institutional interest in LMRI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

LMRI Institutional Ownership Changes and 13F Activity Q4 2025 | InsiderSet